231604066 has 8 divisors (see below), whose sum is σ = 362510784. Its totient is φ = 110767140.

The previous prime is 231604057. The next prime is 231604103. The reversal of 231604066 is 660406132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2517390 + ... + 2517481.

It is an arithmetic number, because the mean of its divisors is an integer number (45313848).

Almost surely, 2^231604066 is an apocalyptic number.

231604066 is a deficient number, since it is larger than the sum of its proper divisors (130906718).

231604066 is a wasteful number, since it uses less digits than its factorization.

231604066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034896.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 231604066 is about 15218.5434914120. The cubic root of 231604066 is about 614.1136159013.

The spelling of 231604066 in words is "two hundred thirty-one million, six hundred four thousand, sixty-six".